Sweden-Number/dlls/shell32/ebrowser.c

/*
 * ExplorerBrowser Control implementation.
 *
 * Copyright 2010 David Hedberg
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include <stdarg.h>

#define COBJMACROS
#define NONAMELESSUNION
#define NONAMELESSSTRUCT

#include "winerror.h"
#include "windef.h"
#include "winbase.h"

#include "wine/list.h"
#include "wine/debug.h"
#include "debughlp.h"

#include "shell32_main.h"

WINE_DEFAULT_DEBUG_CHANNEL(shell);

typedef struct _event_client {
    struct list entry;
    IExplorerBrowserEvents *pebe;
    DWORD cookie;
} event_client;

typedef struct _ExplorerBrowserImpl {
    const IExplorerBrowserVtbl *lpVtbl;
    const IShellBrowserVtbl *lpsbVtbl;
    LONG ref;
    BOOL destroyed;

    HWND hwnd_main;
    HWND hwnd_sv;

    EXPLORER_BROWSER_OPTIONS eb_options;
    FOLDERSETTINGS fs;

    struct list event_clients;
    DWORD events_next_cookie;

    IShellView *psv;
    RECT sv_rc;
} ExplorerBrowserImpl;

/**************************************************************************
 * Event functions.
 */
static void events_unadvise_all(ExplorerBrowserImpl *This)
{
    event_client *client, *curs;
    TRACE("%p\n", This);

    LIST_FOR_EACH_ENTRY_SAFE(client, curs, &This->event_clients, event_client, entry)
    {
        TRACE("Removing %p\n", client);
        list_remove(&client->entry);
        IExplorerBrowserEvents_Release(client->pebe);
        HeapFree(GetProcessHeap(), 0, client);
    }
}

/**************************************************************************
 * Helper functions
 */
static void update_layout(ExplorerBrowserImpl *This)
{
    RECT rc;
    TRACE("%p\n", This);

    GetClientRect(This->hwnd_main, &rc);
    CopyRect(&This->sv_rc, &rc);
}

static void size_panes(ExplorerBrowserImpl *This)
{
    MoveWindow(This->hwnd_sv,
               This->sv_rc.left, This->sv_rc.top,
               This->sv_rc.right - This->sv_rc.left, This->sv_rc.bottom - This->sv_rc.top,
               TRUE);
}

static HRESULT change_viewmode(ExplorerBrowserImpl *This, UINT viewmode)
{
    IFolderView *pfv;
    HRESULT hr;

    if(!This->psv)
        return E_FAIL;

    hr = IShellView_QueryInterface(This->psv, &IID_IFolderView, (void*)&pfv);
    if(SUCCEEDED(hr))
    {
        hr = IFolderView_SetCurrentViewMode(pfv, This->fs.ViewMode);
        IFolderView_Release(pfv);
    }

    return hr;
}

/**************************************************************************
 * Main window related functions.
 */
static LRESULT main_on_wm_create(HWND hWnd, CREATESTRUCTW *crs)
{
    ExplorerBrowserImpl *This = crs->lpCreateParams;
    TRACE("%p\n", This);

    SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LPARAM)This);
    This->hwnd_main = hWnd;

    return TRUE;
}

static LRESULT main_on_wm_size(ExplorerBrowserImpl *This)
{
    update_layout(This);
    size_panes(This);

    return TRUE;
}

static LRESULT CALLBACK main_wndproc(HWND hWnd, UINT uMessage, WPARAM wParam, LPARAM lParam)
{
    ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)GetWindowLongPtrW(hWnd, GWLP_USERDATA);

    switch(uMessage)
    {
    case WM_CREATE:           return main_on_wm_create(hWnd, (CREATESTRUCTW*)lParam);
    case WM_SIZE:             return main_on_wm_size(This);
    default:                  return DefWindowProcW(hWnd, uMessage, wParam, lParam);
    }

    return 0;
}

/**************************************************************************
 * IExplorerBrowser Implementation
 */
static HRESULT WINAPI IExplorerBrowser_fnQueryInterface(IExplorerBrowser *iface,
                                                        REFIID riid, void **ppvObject)
{
    ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
    TRACE("%p (%s, %p)\n", This, shdebugstr_guid(riid), ppvObject);

    *ppvObject = NULL;
    if(IsEqualIID(riid, &IID_IExplorerBrowser) ||
       IsEqualIID(riid, &IID_IUnknown))
    {
        *ppvObject = This;
    }
    else if(IsEqualIID(riid, &IID_IShellBrowser))
    {
        *ppvObject = &This->lpsbVtbl;
    }

    if(*ppvObject)
    {
        IUnknown_AddRef((IUnknown*)*ppvObject);
        return S_OK;
    }

    return E_NOINTERFACE;
}

static ULONG WINAPI IExplorerBrowser_fnAddRef(IExplorerBrowser *iface)
{
    ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
    LONG ref = InterlockedIncrement(&This->ref);
    TRACE("%p - ref %d\n", This, ref);

    return ref;
}

static ULONG WINAPI IExplorerBrowser_fnRelease(IExplorerBrowser *iface)
{
    ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
    LONG ref = InterlockedDecrement(&This->ref);
    TRACE("%p - ref %d\n", This, ref);

    if(!ref)
    {
        TRACE("Freeing.\n");

        if(!This->destroyed)
            IExplorerBrowser_Destroy(iface);

        HeapFree(GetProcessHeap(), 0, This);
        return 0;
    }

    return ref;
}

static HRESULT WINAPI IExplorerBrowser_fnInitialize(IExplorerBrowser *iface,
                                                    HWND hwndParent, const RECT *prc,
                                                    const FOLDERSETTINGS *pfs)
{
    ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
    WNDCLASSW wc;
    LONG style;
    static const WCHAR EB_CLASS_NAME[] =
        {'E','x','p','l','o','r','e','r','B','r','o','w','s','e','r','C','o','n','t','r','o','l',0};

    TRACE("%p (%p, %p, %p)\n", This, hwndParent, prc, pfs);

    if(This->hwnd_main)
        return E_UNEXPECTED;

    if(!hwndParent)
        return E_INVALIDARG;

    if( !GetClassInfoW(shell32_hInstance, EB_CLASS_NAME, &wc) )
    {
        wc.style            = CS_HREDRAW | CS_VREDRAW;
        wc.lpfnWndProc      = main_wndproc;
        wc.cbClsExtra       = 0;
        wc.cbWndExtra       = 0;
        wc.hInstance        = shell32_hInstance;
        wc.hIcon            = 0;
        wc.hCursor          = LoadCursorW(0, (LPWSTR)IDC_ARROW);
        wc.hbrBackground    = (HBRUSH)(COLOR_WINDOW + 1);
        wc.lpszMenuName     = NULL;
        wc.lpszClassName    = EB_CLASS_NAME;

        if (!RegisterClassW(&wc)) return E_FAIL;
    }

    style = WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_BORDER;
    This->hwnd_main = CreateWindowExW(WS_EX_CONTROLPARENT, EB_CLASS_NAME, NULL, style,
                                      prc->left, prc->top,
                                      prc->right - prc->left, prc->bottom - prc->top,
                                      hwndParent, 0, shell32_hInstance, This);

    if(!This->hwnd_main)
    {
        ERR("Failed to create the window.\n");
        return E_FAIL;
    }

    This->fs.ViewMode = pfs ? pfs->ViewMode : FVM_DETAILS;
    This->fs.fFlags = pfs ? (pfs->fFlags | FWF_NOCLIENTEDGE) : FWF_NOCLIENTEDGE;

    return S_OK;
}

static HRESULT WINAPI IExplorerBrowser_fnDestroy(IExplorerBrowser *iface)
{
    ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
    TRACE("%p\n", This);

    if(This->psv)
    {
        IShellView_DestroyViewWindow(This->psv);
        IShellView_Release(This->psv);
        This->psv = NULL;
        This->hwnd_sv = NULL;
    }

    events_unadvise_all(This);

    DestroyWindow(This->hwnd_main);
    This->destroyed = TRUE;

    return S_OK;
}

static HRESULT WINAPI IExplorerBrowser_fnSetRect(IExplorerBrowser *iface,
                                                 HDWP *phdwp, RECT rcBrowser)
{
    ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
    TRACE("%p (%p, %s)\n", This, phdwp, wine_dbgstr_rect(&rcBrowser));

    if(phdwp)
    {
        *phdwp = DeferWindowPos(*phdwp, This->hwnd_main, NULL, rcBrowser.left, rcBrowser.top,
                                rcBrowser.right - rcBrowser.left, rcBrowser.bottom - rcBrowser.top,
                                SWP_NOZORDER | SWP_NOACTIVATE);
    }
    else
    {
        MoveWindow(This->hwnd_main, rcBrowser.left, rcBrowser.top,
                   rcBrowser.right - rcBrowser.left, rcBrowser.bottom - rcBrowser.top, TRUE);
    }

    return S_OK;
}

static HRESULT WINAPI IExplorerBrowser_fnSetPropertyBag(IExplorerBrowser *iface,
                                                        LPCWSTR pszPropertyBag)
{
    ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
    FIXME("stub, %p (%s)\n", This, debugstr_w(pszPropertyBag));

    return E_NOTIMPL;
}

static HRESULT WINAPI IExplorerBrowser_fnSetEmptyText(IExplorerBrowser *iface,
                                                      LPCWSTR pszEmptyText)
{
    ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
    FIXME("stub, %p (%s)\n", This, debugstr_w(pszEmptyText));

    return E_NOTIMPL;
}

static HRESULT WINAPI IExplorerBrowser_fnSetFolderSettings(IExplorerBrowser *iface,
                                                           const FOLDERSETTINGS *pfs)
{
    ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
    TRACE("%p (%p)\n", This, pfs);

    if(!pfs)
        return E_INVALIDARG;

    This->fs.ViewMode = pfs->ViewMode;
    This->fs.fFlags = pfs->fFlags | FWF_NOCLIENTEDGE;

    /* Change the settings of the current view, if any. */
    return change_viewmode(This, This->fs.ViewMode);
}

static HRESULT WINAPI IExplorerBrowser_fnAdvise(IExplorerBrowser *iface,
                                                IExplorerBrowserEvents *psbe,
                                                DWORD *pdwCookie)
{
    ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
    event_client *client;
    TRACE("%p (%p, %p)\n", This, psbe, pdwCookie);

    client = HeapAlloc(GetProcessHeap(), 0, sizeof(event_client));
    client->pebe = psbe;
    client->cookie = ++This->events_next_cookie;

    IExplorerBrowserEvents_AddRef(psbe);
    *pdwCookie = client->cookie;

    list_add_tail(&This->event_clients, &client->entry);

    return S_OK;
}

static HRESULT WINAPI IExplorerBrowser_fnUnadvise(IExplorerBrowser *iface,
                                                  DWORD dwCookie)
{
    ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
    event_client *client;
    TRACE("%p (0x%x)\n", This, dwCookie);

    LIST_FOR_EACH_ENTRY(client, &This->event_clients, event_client, entry)
    {
        if(client->cookie == dwCookie)
        {
            list_remove(&client->entry);
            IExplorerBrowserEvents_Release(client->pebe);
            HeapFree(GetProcessHeap(), 0, client);
            return S_OK;
        }
    }

    return E_INVALIDARG;
}

static HRESULT WINAPI IExplorerBrowser_fnSetOptions(IExplorerBrowser *iface,
                                                    EXPLORER_BROWSER_OPTIONS dwFlag)
{
    ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
    static const EXPLORER_BROWSER_OPTIONS unsupported_options =
        EBO_SHOWFRAMES | EBO_ALWAYSNAVIGATE | EBO_NOWRAPPERWINDOW | EBO_HTMLSHAREPOINTVIEW;

    TRACE("%p (0x%x)\n", This, dwFlag);

    if(dwFlag & unsupported_options)
        FIXME("Flags 0x%08x contains unsupported options.\n", dwFlag);

    This->eb_options = dwFlag;

    return S_OK;
}

static HRESULT WINAPI IExplorerBrowser_fnGetOptions(IExplorerBrowser *iface,
                                                    EXPLORER_BROWSER_OPTIONS *pdwFlag)
{
    ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
    TRACE("%p (%p)\n", This, pdwFlag);

    *pdwFlag = This->eb_options;

    return S_OK;
}

static HRESULT WINAPI IExplorerBrowser_fnBrowseToIDList(IExplorerBrowser *iface,
                                                        PCUIDLIST_RELATIVE pidl,
                                                        UINT uFlags)
{
    ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
    FIXME("stub, %p (%p, 0x%x)\n", This, pidl, uFlags);

    return E_NOTIMPL;
}

static HRESULT WINAPI IExplorerBrowser_fnBrowseToObject(IExplorerBrowser *iface,
                                                        IUnknown *punk, UINT uFlags)
{
    ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
    FIXME("stub, %p (%p, 0x%x)\n", This, punk, uFlags);

    return E_NOTIMPL;
}

static HRESULT WINAPI IExplorerBrowser_fnFillFromObject(IExplorerBrowser *iface,
                                                        IUnknown *punk,
                                                        EXPLORER_BROWSER_FILL_FLAGS dwFlags)
{
    ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
    FIXME("stub, %p (%p, 0x%x)\n", This, punk, dwFlags);

    return E_NOTIMPL;
}

static HRESULT WINAPI IExplorerBrowser_fnRemoveAll(IExplorerBrowser *iface)
{
    ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
    FIXME("stub, %p\n", This);

    return E_NOTIMPL;
}

static HRESULT WINAPI IExplorerBrowser_fnGetCurrentView(IExplorerBrowser *iface,
                                                        REFIID riid, void **ppv)
{
    ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
    TRACE("%p (%s, %p)\n", This, shdebugstr_guid(riid), ppv);

    if(!This->psv)
        return E_FAIL;

    return IShellView_QueryInterface(This->psv, riid, ppv);
}

static const IExplorerBrowserVtbl vt_IExplorerBrowser =
{
    IExplorerBrowser_fnQueryInterface,
    IExplorerBrowser_fnAddRef,
    IExplorerBrowser_fnRelease,
    IExplorerBrowser_fnInitialize,
    IExplorerBrowser_fnDestroy,
    IExplorerBrowser_fnSetRect,
    IExplorerBrowser_fnSetPropertyBag,
    IExplorerBrowser_fnSetEmptyText,
    IExplorerBrowser_fnSetFolderSettings,
    IExplorerBrowser_fnAdvise,
    IExplorerBrowser_fnUnadvise,
    IExplorerBrowser_fnSetOptions,
    IExplorerBrowser_fnGetOptions,
    IExplorerBrowser_fnBrowseToIDList,
    IExplorerBrowser_fnBrowseToObject,
    IExplorerBrowser_fnFillFromObject,
    IExplorerBrowser_fnRemoveAll,
    IExplorerBrowser_fnGetCurrentView
};

/**************************************************************************
 * IShellBrowser Implementation
 */

static inline ExplorerBrowserImpl *impl_from_IShellBrowser(IShellBrowser *iface)
{
    return (ExplorerBrowserImpl *)((char*)iface - FIELD_OFFSET(ExplorerBrowserImpl, lpsbVtbl));
}

static HRESULT WINAPI IShellBrowser_fnQueryInterface(IShellBrowser *iface,
                                                     REFIID riid, void **ppvObject)
{
    ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
    TRACE("%p\n", This);
    return IUnknown_QueryInterface((IUnknown*) This, riid, ppvObject);
}

static ULONG WINAPI IShellBrowser_fnAddRef(IShellBrowser *iface)
{
    ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
    TRACE("%p\n", This);
    return IUnknown_AddRef((IUnknown*) This);
}

static ULONG WINAPI IShellBrowser_fnRelease(IShellBrowser *iface)
{
    ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
    TRACE("%p\n", This);
    return IUnknown_Release((IUnknown*) This);
}

static HRESULT WINAPI IShellBrowser_fnGetWindow(IShellBrowser *iface, HWND *phwnd)
{
    ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
    TRACE("%p (%p)\n", This, phwnd);

    if(!This->hwnd_main)
        return E_FAIL;

    *phwnd = This->hwnd_main;
    return S_OK;
}

static HRESULT WINAPI IShellBrowser_fnContextSensitiveHelp(IShellBrowser *iface,
                                                           BOOL fEnterMode)
{
    ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
    FIXME("stub, %p (%d)\n", This, fEnterMode);

    return E_NOTIMPL;
}

static HRESULT WINAPI IShellBrowser_fnInsertMenusSB(IShellBrowser *iface,
                                                    HMENU hmenuShared,
                                                    LPOLEMENUGROUPWIDTHS lpMenuWidths)
{
    ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
    TRACE("%p (%p, %p)\n", This, hmenuShared, lpMenuWidths);

    /* Not implemented. */
    return E_NOTIMPL;
}

static HRESULT WINAPI IShellBrowser_fnSetMenuSB(IShellBrowser *iface,
                                                HMENU hmenuShared,
                                                HOLEMENU holemenuReserved,
                                                HWND hwndActiveObject)
{
    ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
    TRACE("%p (%p, %p, %p)\n", This, hmenuShared, holemenuReserved, hwndActiveObject);

    /* Not implemented. */
    return E_NOTIMPL;
}

static HRESULT WINAPI IShellBrowser_fnRemoveMenusSB(IShellBrowser *iface,
                                                    HMENU hmenuShared)
{
    ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
    TRACE("%p (%p)\n", This, hmenuShared);

    /* Not implemented. */
    return E_NOTIMPL;
}

static HRESULT WINAPI IShellBrowser_fnSetStatusTextSB(IShellBrowser *iface,
                                                      LPCOLESTR pszStatusText)
{
    ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
    FIXME("stub, %p (%s)\n", This, debugstr_w(pszStatusText));

    return E_NOTIMPL;
}

static HRESULT WINAPI IShellBrowser_fnEnableModelessSB(IShellBrowser *iface,
                                                       BOOL fEnable)
{
    ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
    FIXME("stub, %p (%d)\n", This, fEnable);

    return E_NOTIMPL;
}

static HRESULT WINAPI IShellBrowser_fnTranslateAcceleratorSB(IShellBrowser *iface,
                                                             MSG *pmsg, WORD wID)
{
    ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
    FIXME("stub, %p (%p, 0x%x)\n", This, pmsg, wID);

    return E_NOTIMPL;
}

static HRESULT WINAPI IShellBrowser_fnBrowseObject(IShellBrowser *iface,
                                                   LPCITEMIDLIST pidl, UINT wFlags)
{
    ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
    FIXME("stub, %p\n", This);

    return E_NOTIMPL;
}

static HRESULT WINAPI IShellBrowser_fnGetViewStateStream(IShellBrowser *iface,
                                                         DWORD grfMode,
                                                         IStream **ppStrm)
{
    ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
    FIXME("stub, %p (0x%x, %p)\n", This, grfMode, ppStrm);

    *ppStrm = NULL;
    return E_FAIL;
}

static HRESULT WINAPI IShellBrowser_fnGetControlWindow(IShellBrowser *iface,
                                                       UINT id, HWND *phwnd)
{
    ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
    TRACE("%p (%d, %p)\n", This, id, phwnd);

    /* Not implemented. */
    return E_NOTIMPL;
}

static HRESULT WINAPI IShellBrowser_fnSendControlMsg(IShellBrowser *iface,
                                                     UINT id, UINT uMsg,
                                                     WPARAM wParam, LPARAM lParam,
                                                     LRESULT *pret)
{
    ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
    FIXME("stub, %p (%d, %d, %lx, %lx, %p)\n", This, id, uMsg, wParam, lParam, pret);

    return E_NOTIMPL;
}

static HRESULT WINAPI IShellBrowser_fnQueryActiveShellView(IShellBrowser *iface,
                                                           IShellView **ppshv)
{
    ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
    TRACE("%p (%p)\n", This, ppshv);

    if(!This->psv)
        return E_FAIL;

    *ppshv = This->psv;
    IShellView_AddRef(This->psv);

    return S_OK;
}

static HRESULT WINAPI IShellBrowser_fnOnViewWindowActive(IShellBrowser *iface,
                                                         IShellView *pshv)
{
    ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
    FIXME("stub, %p (%p)\n", This, pshv);

    return E_NOTIMPL;
}

static HRESULT WINAPI IShellBrowser_fnSetToolbarItems(IShellBrowser *iface,
                                                      LPTBBUTTONSB lpButtons,
                                                      UINT nButtons, UINT uFlags)
{
    ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
    FIXME("stub, %p (%p, %d, 0x%x)\n", This, lpButtons, nButtons, uFlags);

    return E_NOTIMPL;
}

static const IShellBrowserVtbl vt_IShellBrowser = {
    IShellBrowser_fnQueryInterface,
    IShellBrowser_fnAddRef,
    IShellBrowser_fnRelease,
    IShellBrowser_fnGetWindow,
    IShellBrowser_fnContextSensitiveHelp,
    IShellBrowser_fnInsertMenusSB,
    IShellBrowser_fnSetMenuSB,
    IShellBrowser_fnRemoveMenusSB,
    IShellBrowser_fnSetStatusTextSB,
    IShellBrowser_fnEnableModelessSB,
    IShellBrowser_fnTranslateAcceleratorSB,
    IShellBrowser_fnBrowseObject,
    IShellBrowser_fnGetViewStateStream,
    IShellBrowser_fnGetControlWindow,
    IShellBrowser_fnSendControlMsg,
    IShellBrowser_fnQueryActiveShellView,
    IShellBrowser_fnOnViewWindowActive,
    IShellBrowser_fnSetToolbarItems
};

HRESULT WINAPI ExplorerBrowser_Constructor(IUnknown *pUnkOuter, REFIID riid, void **ppv)
{
    ExplorerBrowserImpl *eb;
    HRESULT ret;

    TRACE("%p %s %p\n", pUnkOuter, shdebugstr_guid (riid), ppv);

    if(!ppv)
        return E_POINTER;
    if(pUnkOuter)
        return CLASS_E_NOAGGREGATION;

    eb = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ExplorerBrowserImpl));
    eb->ref = 1;
    eb->lpVtbl = &vt_IExplorerBrowser;
    eb->lpsbVtbl = &vt_IShellBrowser;

    list_init(&eb->event_clients);

    ret = IExplorerBrowser_QueryInterface((IExplorerBrowser*)eb, riid, ppv);
    IExplorerBrowser_Release((IExplorerBrowser*)eb);

    TRACE("--(%p)\n", ppv);
    return ret;
}